Window Opacity

The human body has 206 bones which make up the skeleton. Without a skeleton, we would be a heap of skin and muscles. A skeleton gives shape and form to the bodies of vertebrate animals. The set of bones known as vertebrae make up the spine, and others such as ribs and skull protect the major organs. Bones are actually living tissue, and the center of the bone, or marrow, is where your blood is created.

Find out more about this topic by clicking on the buttons on this page. You can watch our broadcast show, Science Trek: The Web Show, and our video shorts in our player. Facts will tell you more about the topic. Links will expand your learning beyond our site. Glossary gives you a list of specialized words. Resources offer reading suggestions. Games give you a chance to play. Top Ten are answers to ten of our favorite questions asked by students. Teachers provides materials for educators. Archive takes you to video files from past shows not on our current player. Contact us by clicking on the link in the masthead to email us questions or comments. Click for the current season’s schedule of programs, learn more about the scientists on this show and be sure to check out my blog.